2490428720 has 40 divisors (see below), whose sum is σ = 6235652976. Its totient is φ = 919542528.

The previous prime is 2490428711. The next prime is 2490428747. The reversal of 2490428720 is 278240942.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196282 + ... + 1198361.

Almost surely, 2^2490428720 is an apocalyptic number.

2490428720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490428720 is an abundant number, since it is smaller than the sum of its proper divisors (3745224256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2490428720 is a wasteful number, since it uses less digits than its factorization.

2490428720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394669 (or 2394663 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2490428720 is about 49904.1954148146. The cubic root of 2490428720 is about 1355.4745631484.

The spelling of 2490428720 in words is "two billion, four hundred ninety million, four hundred twenty-eight thousand, seven hundred twenty".